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 <h1 class="title">RRD 函数</h1>

 



































































































<h2>Table of Contents</h2><ul class="chunklist chunklist_reference"><li><a href="function.rrd-create.html">rrd_create</a> — Creates rrd database file</li><li><a href="function.rrd-error.html">rrd_error</a> — Gets latest error message.</li><li><a href="function.rrd-fetch.html">rrd_fetch</a> — Fetch the data for graph as array.</li><li><a href="function.rrd-first.html">rrd_first</a> — Gets the timestamp of the first sample from rrd file.</li><li><a href="function.rrd-graph.html">rrd_graph</a> — Creates image from a data.</li><li><a href="function.rrd-info.html">rrd_info</a> — Gets information about rrd file</li><li><a href="function.rrd-last.html">rrd_last</a> — Gets unix timestamp of the last sample.</li><li><a href="function.rrd-lastupdate.html">rrd_lastupdate</a> — Gets information about last updated data.</li><li><a href="function.rrd-restore.html">rrd_restore</a> — Restores the RRD file from XML dump.</li><li><a href="function.rrd-tune.html">rrd_tune</a> — Tunes some RRD database file header options.</li><li><a href="function.rrd-update.html">rrd_update</a> — Updates the RRD database.</li><li><a href="function.rrd-version.html">rrd_version</a> — Gets information about underlying rrdtool library</li><li><a href="function.rrd-xport.html">rrd_xport</a> — Exports the information about RRD database.</li><li><a href="function.rrdc-disconnect.html">rrdc_disconnect</a> — Close any outstanding connection to rrd caching daemon</li></ul>
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